SYSTEM AND METHOD FOR ACCUMULATING AND APPLYING SYMBOL ATTRIBUTES FROM A SECONDARY SYMBOL ARRAY

A gaming system includes a regulated gaming machine primarily dedicated to playing at least one casino wagering game, the gaming machine including an electronic display device and one or more electronic input devices. The gaming system further includes game-logic circuitry configured to randomly select a first plurality of symbols to populate a symbol array and to randomly select a second plurality of symbols with respective attributes. The game-logic circuitry is further configured to apply attributes of active symbols in the second plurality of symbols that match symbols in any winning symbol combination formed by the first plurality of symbols, wherein the attributes associated with matching ones of the active symbols in the second plurality of symbols have an accumulative effect when applied. An award is awarded for the winning combinations in accordance with the applied attributes.